Locker · For writers, producers, artists
The Music OS with a brain.
Every track, stem, lyric and idea in one place, with an AI that organises, credits and connects it all for you. From the first voice note to the final master.
- Voice note · 12 MarThe hook, on your phoneRecorded into Ideas in one tap.
- Demo · 19 MarLyric and chords addedWriters credited as they join.
- Mix v3 · 2 AprShared with the artistSee who listened, and when.
- Master · 20 AprSplits agreed, stems inReady to pitch from one link.
Powered by Kii
Meet Kii, the bit that does the boring jobs.
Kii isn't a chatbot bolted on the side. It runs through your whole catalogue, so the admin that normally eats your week just gets handled.
And no, we never use your music or your data to train AI. Not ours, not anyone else's.
Sorts your files into tracks
Drop in a messy folder of bounces and Locker sorts them into tracks, versions and stems. Named, tagged and credited.
Answers anything about your catalogue
Ask it 'what have I got around 120 in a minor key' or 'have I written this line before'. You get a straight answer.
Keeps your credits straight
It learns who you work with, fills in missing credits and splits, and catches duplicates before they pile up.
Catches every idea
Voice notes, lyrics and concepts live beside your tracks. Record a take on the exact section you are writing, and find it again in seconds.
What Kii suggests, you approve. It never changes your catalogue behind your back. And if it can't do something, it says so.
Every part of the track. In one place.
Locker is where your music stays organised. Tracks, versions, stems, lyrics, files, notes, and collaborators stay connected in one searchable workspace.
- Unified music workspace
- Version history and A/B comparison
- Metadata and tagging built for music catalogues
- Lightning-fast search across your catalogue
Collaboration happens where the music lives.
Comments, feedback, approvals, and shared context stay attached to the track instead of disappearing across email threads, messages, or download links.
- Comments and approvals linked to the track
- Smart share links
- Activity and change tracking
- Context-aware notes and comments
Your music, automatically organised.
Locker understands music workflows. Upload a stem pack or a full session and Locker groups related files, detects stems, and keeps versions linked behind the scenes.
- Import from Google Drive, Dropbox, and more
- Automatic stem detection
- Batch uploads
- Version-linked stems
The OS for every role in music.
From the first idea to final delivery, Locker supports writing, producing, organising, and releasing music in one connected system.
Artists & Songwriters
Capture ideas, versions, lyrics, and demos in one evolving workspace.
Producers
Manage stems, versions, notes, deliveries, and client feedback effortlessly.
Labels & A&R
Create searchable catalogues and track your roster with clarity.
Publishers
Keep song assets, splits, metadata, and rights notes organised.
Managers
Streamline releases, sessions, and communication across your roster.
"Love it! What a game-changing tool. Everything's easier to find, quicker to manage, finally everything lives in one place."
Phil Cook
Songwriter and Producer·Lewis Capaldi, Ellie Goulding, Liam Payne
Now on Mac and iPhone
Locker for Mac and iPhone
Locker, native on your Mac. It watches your session folders, catches the mixes you download, and lets you drag tracks straight in and out of Finder. On your iPhone, your whole Locker comes with you. All in sync with the web.
Ready to organise your music?
Bring your tracks, versions, stems, and collaborators into one place.
Get Started FreeThe Music OS for every creator